/Engine/Source/Runtime/Slate/Public/Framework/Commands/UICommandList.h
Processes any UI commands which are activated by the specified key, modifier keys state and input event
true if an action was processed
bool ProcessCommandBindings ( const [FKey](API\Runtime\InputCore\FKey) Key, const [FModifierKeysState](API\Runtime\ApplicationCore\GenericPlatform\FModifierKeysState) & ModifierKeysState, const bool bRepeat ) const